.ant-layout-sider {
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100001;
    background-color: #121a2c;

    .logo {
        display: block;
        background: 32px 5px no-repeat;
        background-size: 90px;
        height: 40px;
        color: #fff;
        line-height: 40px;
        font-size: 20px;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        font-style: italic;
        text-align: center;
    }
}
